The wild “ambient” yeast discovered on apples, within the air, on cider presses can all contribute to a spontaneous fermentation inside the cider should, which is the juice that has been freshly pressed from a fruit equivalent to apples or grapes and is fermenting. On this episode we hear from Hugues Guichard, who works on the Institut Français des Productions Cidricoles a analysis institute specializing in cider primarily based in Normandy, France.
Hugues introduced this lecture at CiderCon 2023, which is hosted by the American Cider Affiliation.
Hugues Guichard at CiderCon 2023
Permitting a cider to undergo a full spontaneous fermentation efficiently is a rising pattern inside the trade as shopper proceed to hunt “pure” ciders. Hugues gives an entire overview of the French cider trade and the science behind spontaneous ferments.
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On this lecture
- Half I: French Cider Trade and IFPC
- Half II: French Cider ProcessingCider Apples and Harvest
- Clarification
- Fermentation
- Maturation
- Bottling
- Conclusion
Yeast talked about on this presentation
- Hanseniaspora is a genus of yeasts, when there is no such thing as a sulphites within the should
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Mechnikowia pulcherrima (Mp)
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Hanseniaspora valbyensys (Hv) – apiculate yeast
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On apple and in should, development in should
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1 to 2 weeks then decreases
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Sensibility to SO2
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Saccharomyces uvarum (Su): fermentative yeast
Bacterias and yeasts in ciders that may create off flavors
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Acetic acid micro organism (Acetobacter). Typically described at Unstable Acidity (VA) which lends a vinegary style to the cider
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Zymomonas mobilis (micro organism). off flavors equivalent to rotten banana, vegetal aromas. There could also be a haze formation, excessive strain in bottles, and extreme foaming
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Secundilactobacillus collinoïdes – lactic acid spoilage
- Brettanomyces anomala – Unstable phenol
Start with cidermaking finest practices
As anticipated finest practices for all fermentation together with a spontaneous fermentation require
- Clear Fruit
- Hygiene within the cidery
- Temperature management
Contact for Hugues Guichard
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